publication
$meta_query = array( array( 'key' => 'bu_publication', 'value' => 'butoday', 'compare' => '=', 'type' => 'CHAR', ), );
$meta_query = array( array( 'key' => 'bu_publication', 'value' => 'butoday', 'compare' => '=', 'type' => 'CHAR', ), );